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William Blair & Company

William Blair & Company Portfolio holdings

AUM $34.9B
1-Year Est. Return 18.88%
This Fund
S&P 500
This Quarter Est. Return
+9.1%
1 Year Est. Return
+18.88%
3 Year Est. Return
+73.84%
5 Year Est. Return
+90.13%
10 Year Est. Return
+563.35%
AUM
$19.5B
AUM Growth
+$2.1B
Cap. Flow
+$465M
Cap. Flow %
2.39%
Top 10 Hldgs %
22.3%
Holding
1,847
New
125
Increased
679
Reduced
598
Closed
120

Top Buys

Rank Stock Value
1
ANET icon
Arista Networks
ANET
+$24M
2
DIS icon
Walt Disney
DIS
+$22.5M
3
PYPL icon
PayPal
PYPL
+$21.1M
4
AXP icon
American Express
AXP
+$18.6M
5
NOW icon
ServiceNow
NOW
+$15.5M

Top Sells

Rank Stock Value
1
CELG
Celgene Corp
CELG
+$25M
2
ULTA icon
Ulta Beauty
ULTA
+$21.8M
3
EOG icon
EOG Resources
EOG
+$20.9M
4
ABMD
Abiomed Inc
ABMD
+$16.3M
5
GRUB
Just Eat Takeaway.com N.V. American Depositary Shares
GRUB
+$11.2M

Sector Composition

Rank Sector Weight
1 Technology 23.46%
2 Healthcare 17.35%
3 Financials 13.04%
4 Consumer Discretionary 9.94%
5 Industrials 9.53%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
SMH icon
426
VanEck Semiconductor ETF
SMH
$71.6B
$4.22M 0.02%
59,674
+9,584
+19% +$628K
SPAB icon
427
State Street SPDR Portfolio Aggregate Bond ETF
SPAB
$9.78B
$4.22M 0.02%
143,566
-41,084
-22% -$1.21M
GIS icon
428
General Mills
GIS
$19.2B
$4.19M 0.02%
78,273
+3,629
+5% +$191K
IWP icon
429
iShares Russell Mid-Cap Growth ETF
IWP
$20.4B
$4.19M 0.02%
54,930
-114
-0.2% -$8.36K
DT icon
430
Dynatrace
DT
$14.8B
$4.19M 0.02%
+165,602
New +$3.64M
RH icon
431
RH
RH
$3.7B
$4.16M 0.02%
19,494
-880
-4% -$172K
III icon
432
Information Services Group
III
$204M
$4.14M 0.02%
1,637,224
+59,485
+4% +$141K
VTWO icon
433
Vanguard Russell 2000 ETF
VTWO
$17.8B
$4.12M 0.02%
61,886
+38,078
+160% +$2.42M
FICO icon
434
Fair Isaac
FICO
$23.6B
$4.1M 0.02%
10,950
-739
-6% -$249K
ES icon
435
Eversource Energy
ES
$27.3B
$4.09M 0.02%
48,105
-1,506
-3% -$125K
HSY icon
436
Hershey
HSY
$36.1B
$4.09M 0.02%
27,809
+1,053
+4% +$156K
VGK icon
437
Vanguard FTSE Europe ETF
VGK
$31.1B
$4.05M 0.02%
69,123
-8,582
-11% -$480K
APTV icon
438
Aptiv
APTV
$9.76B
$4.04M 0.02%
42,506
-243
-0.6% -$22.3K
JBTM
439
JBT Marel
JBTM
$6.35B
$4.01M 0.02%
35,562
+1,385
+4% +$148K
ARCC icon
440
Ares Capital
ARCC
$13.9B
$3.98M 0.02%
213,322
-3,506
-2% -$65.1K
TRHC
441
DELISTED
Tabula Rasa HealthCare, Inc. Common Stock
TRHC
$3.95M 0.02%
81,107
+3,219
+4% +$151K
LHCG
442
DELISTED
LHC Group LLC
LHCG
$3.94M 0.02%
28,623
-2,867
-9% -$357K
PTLA
443
DELISTED
Portola Pharmaceuticals, Inc.
PTLA
$3.93M 0.02%
164,449
+11,795
+8% +$325K
MS icon
444
Morgan Stanley
MS
$343B
$3.88M 0.02%
75,914
-17,417
-19% -$824K
GD icon
445
General Dynamics
GD
$104B
$3.88M 0.02%
21,994
-490
-2% -$88K
UL icon
446
Unilever
UL
$139B
$3.87M 0.02%
60,121
-12,522
-17% -$832K
BLBD icon
447
Blue Bird Corp
BLBD
$2.43B
$3.84M 0.02%
167,647
-1,556
-0.9% -$31.1K
BOTZ icon
448
Global X Robotics & Artificial Intelligence ETF
BOTZ
$3.48B
$3.81M 0.02%
174,426
-5,111
-3% -$108K
BR icon
449
Broadridge
BR
$18.6B
$3.81M 0.02%
30,841
+4,924
+19% +$602K
WRK
450
DELISTED
WestRock Company
WRK
$3.81M 0.02%
88,782
+7,661
+9% +$299K
16 17
18
19 20

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William Blair & Company's Q4 2019 Portfolio in Review

As of Q4 2019, William Blair & Company held 1,847 positions worth $19.5B, up 12% from $17.4B the previous quarter. Its ten largest holdings account for 22% of the portfolio.

William Blair & Company's Q4 2019 filing shows 125 new, 679 increased, 598 reduced and 120 closed positions. Its largest new stake was Dynatrace: 165,602 shares worth $4.19M. The largest sale was Celgene Corp, an estimated $25M.

By sector, the portfolio is most concentrated in Technology at 23% of assets, up from 23% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q4 2019 buy was Dynatrace: 165,602 shares worth $4.19M.
  • William Blair & Company added most to Arista Networks in Q4 2019, an estimated $24M increase.
  • William Blair & Company's biggest Q4 2019 reduction was Ulta Beauty, cutting an estimated $21.8M.
  • William Blair & Company fully exited Celgene Corp in Q4 2019, selling an estimated $25M.
  • William Blair & Company's ten largest holdings make up 22% of its $19.5B portfolio in Q4 2019.
  • William Blair & Company opened 125 new positions and closed 120 in Q4 2019.
  • William Blair & Company's portfolio value rose 12% quarter-over-quarter to $19.5B.

Based on William Blair & Company's 13F filing for Q4 2019, filed 13 Feb 2020.